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Finding the Third Proportional to 157.13 and 334.50

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Solution

The third proportional to 157.13 and 334.50 is: 712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.13 : 334.50 = 334.50 : x
  2. Step 2: Convert to fraction form
    157.13/334.50 = 334.50/x
  3. Step 3: Cross multiply
    157.13x = 334.50 × 334.50
  4. Step 4: Simplify right side
    157.13x = 111,890.25
  5. Step 5: Solve for x
    x = 111,890.25/157.13
  6. Step 6: Final answer
    x = 712.11

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.